Seiko Cal. 6317 - 509

This Spring Drive model from 1981 features a 40mm Two-Tone case. Powered by the 6317 caliber with 18j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-b07cf1198ec5]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

Related Models

• Seiko 7025-720
• Seiko 5677-264
• Seiko 5683-187
• Seiko 5225-300
• Seiko 4441-983
• Seiko 5244-293
• Seiko 4454-312
• Seiko 3854-801
• Seiko 7026-436
• Seiko 6195-125
• Seiko 3897-302
• Seiko 5671-654